Colour fan Twin
R
Product Specification
Colourfan Twin Extract Fan Small Ventilation Units
R
1.1. General
A. Provide a twin fan unit to meet the performance and configuration as indicated in the schedule and detail drawings. The twin fan
unit shall be tested in accordance with BS EN ISO 5801:2008, BS 848-1:2007 and shall be of the Colourfan type as manufactured
by VES Andover Ltd a company accredited with BS EN ISO 9001:2008.
1.2 Unit Construction
A. The unit shall be provided pre-assembled comprising of a rigidly constructed case, twin centrifugal backward curved fans with direct drive motors and circular or rectangular spigots.
B. The unit shall be supplied with an integrated pre-wired, factory fitted and tested controls package or pre-wired to an external isolator.
C.The unit shall be available in plantroom or weatherproof construction as indicated in the schedule and detail drawings.
D. 1. Units size 0-6 shall have circular duct spigots complete with rubber gasket seals as indicated in the schedule and detail drawings.
2. Units size 7-9 shall have rectangular dust spigots complete with 30mm MEZ flange as Indicated In the schedule and detail drawings.
E. Weatherproof units shall be available with horizontal or bottom mounted inlet spigot as indicated in the schedule and detail drawings. Plantroom units shall be available with horizontal spigot as standard.
F. Weatherproof units shall be available with an outlet louvre or spigot as indicated in the schedule and detail drawings.
G.1. Sizes 0-6 The unit casework shall incorporate high quality dual layer memory rubber gasket seals on service doors and panels.
2. The unit casework shall incorporate high quality leak resistant neoprene gaskets seals on service doors and panels.
H.1. Sizes 0-6 The unit shall be available with optional fitted flame retardant acoustic lining as standard to ensure maximum thermal insulation and reduced noise transmission.
2. Sizes 7-9 The unit shall be provided pre-assembled comprising of a rigidly constructed 25mm tubular aluminium case, double skinned galvanised sheet steel panels.
I. Access for maintenance shall be via removable panels, allowing access for the cleaning or removal of internal components as
indicated in the schedule and detail drawings.
J. 1. Plantroom units 0-6 shall be suitable for top or bottom access as indicated in the schedule and detail drawings. Weatherproof units 0-6 shall be suitable for top access only via a removable weather lid.
2. Plantroom units 7-9 shall be suitable for side access as indicated in the schedule and detail drawings. Weatherproof units 0-6 shall be suitable for side access only via a removable weather lid.
K. The casework shall incorporate mounting brackets compatible with drop-rod support systems.
L. 1. Sizes 0-6 Weatherproof units shall be supplied as standard with mounting feet. Plantroom units shall be available with optional mounting feet as indicated in the schedule.
2. Sizes 7-9 Weatherproof units shall be supplied as standard with supplied as standard on a galvanised sheet steel channel base, the frame shall be 100mm high.
M.Plantroom unit casework and spigots shall be supplied naturally finished in high quality galvanised steel as standard. Optional
powdercoat colour as indicated in the schedule.
N.Weatherproof units shall be supplied powdercoated signal grey RAL7004 as standard. Alternative colour according to schedule.
O.The unit shall be designed to be secured to a suitable base, wall or ceiling, ensuring the use of correct fixings for the application and taking into account individual unit weight as indicated in the schedule and detail drawings.
1.3. Fans
A. The fan impeller shall be of PA6 glass-fiber reinforced, backward curved plastic blade construction with galvanised steel mounting plate.
B. The fan impeller shall be statically and dynamically balanced to G 2.5 / G 6.3 according to ISO1940 part 1.
C.The fan impeller shall be mated with an aerodynamic bell inlet eye for high efficiency and low noise generation.
1.4. Motors
A. The fan shall incorporate an external rotor motor to IP44 environmental protection rating and shall be supplied with thermal protection cut out as standard.
B. The size 0 and 1 unit motor shall be to insulation class B. The size 2 and above unit motor shall be to insulation class F.
C.The integrated motor shall be supplied epoxy painted blue to RAL5002.
D. The integrated motor shall be available as AC or with high efficiency EC (Electronically Commutated) controller as standard.
E. The motor shall be supplied pre-wired and fitted with a quick-change plug connector.
1.5 Operation Environment
O
O
A. The unit shall be designed to operate with process air temperatures from -20 C to 40 C, and humidity up to 80%.
Member
C
2013 VES
Issue CLT01 - 05/2013
VES reserves the right to amend product specifications and details without notice
Colour fan Twin
R
1.6. Controls
The unit shall be fully compatible with a standard range of controls. Options can include pre-wired, factory fitted and tested or loose for
wall mounting. Control packages shall include all necessary components to effectively operate the ventilation system.
A. BlueSense controls combine integrated and pre-wired, factory fitted and tested control package, energy efficient speed controller and air quality sensor or PIR providing effective and efficient control of the fans, heater and other energy consuming components of the ventilation system.
The BlueSense energy saving package shall have the following devices optimised for improved air quality and minimal energy usage:• Integral energy efficient speed controller
• Speed control adjustment to aid commissioning complete with minimum and maximum speed limitations
• Demand ventilation control using air quality sensor calibrated to measure for CO2 and / or VOC, or 2 speed from PIR input, constant
temperature, constant humidity or constant pressure as indicated in the schedule
• Automatic fan change over on airflow failure
• Duty share with 12 hour run-time memory retention
• Start stop from remote volt free contacts
• 7 day time clock with battery backup
• Volt free run and trip indicators
• Common volt free enable, and 24 VDC fire alarm interface
• Optional remote status indicator
• Suitable for internal and external locations
B. The CPD control range shall contain the following:• Automatic fan change over on airflow failure
• Duty share with 12 hours run-time memory retention
• 7 day time clock with battery backup
• Volt free run and trip indicators
• Volt free enable and 24 VDC fire alarm interface
• Optional remote status indicator
• Suitable for internal and external locations
C.The CPF controls range shall contain the following:• Automatic fan change over on airflow failure
• Fully programmable digital controller with commissioning and adjustment for constant pressure, humidity and temperate applications
• Duty share with 12 hour run-time memory retention
• Start stop from remote volt free contacts
• 7 day time clock with battery backup
• Volt free run and trip indicators
• Volt free enable, and 24 VDC fire alarm interface
• Optional remote status indicator
• Suitable for internal and external locations
D. If controls are not specified the unit shall come complete pre-wired to an external isolator
E. If speed control is indicated in the schedule the unit shall be supplied with an internally mounted speed controller pre-wired to an integral control package or external isolator.
1.7. Ancillaries
A. The unit shall be fully compatible with a standard range of spigot mounted silencers. The silencers shall be suitable for duct
mounting or direct mounting to the unit as indicated in the schedule.
B The silencer shall be a rigidly constructed single skinned galvanised sheet steel lining incorporating internal splitters lined with resin bonded mineral wool. Polythene and perforated metal sheet lining shall be available where indicated in the schedule.
C.The silencer casework shall be provided naturally finished in high quality galvanised steel as standard. Internal and external powder coat available as indicated in the schedule. Colour to be in accordance with schedule.
D. The plantroom unit shall be fully compatible with loose spigot mounted dampers suitable for direct fitting to the unit.
E. Dampers shall incorporate an aluminium extruded channel frame and aluminium damper blades, mounted on nylon cogs with nylon bearing inserts. Blade operation shall be via a 12mm sq. spindle mounted to one side of the damper.
F. Dampers shall be of opposed blade type, incorporating gasket seals between blades and sealed angles on the frame to ensure
maximum sealing efficiency when the blades are closed.
G.Dampers shall be suitable for use with optional 230 VAC or 24 VAC open/close actuator as supplied by VES Andover Ltd.
Download specification from www.ves.co.uk/information-centre
Member
C
2013 VES
Issue CLT01 - 05/2013
VES reserves the right to amend product specifications and details without notice